Someone loves to go after fat chicks or chubby chicks then fucks them and leaves them like a MILF hunter but for FAT chicks.
What happens when you are always the wing man Duffer(Designated Ugly Fat Friend) for too long

Example 3
Danny: "Arnold stop watching Fat Chick porn all the time man! what are you trying to prove!"
Arnold: "I wana be a Beasty Hunter like Anothony bro so i must study SEVERAL online videos! Now leave and let me beat the meat!"